6 Secrets that Slot Designers Don’t Want You to Know

Victoria’s “I Started Playing Slots” series follows her on her journey through the world of real money mobile slots.

Tricks of the Casino TradeHere’s the hard truth: casinos are designed to suck money out of your wallet. You may win some cash occasionally, but the casino always comes out on top. These smart casino businesses have carefully designed “traps” that lure you in and keep you playing for hours. Did you know that the sounds of the slot machine and the bonus games psychologically make you spend more? Ha! Well, it’s about time players wised up to these tricks employed by the casino industry. Only then can you truly make a bucks from playing at mobile casinos.


1. Sound effects

Now, who would’ve guessed that sound impacts your gaming style? An experiment by the University of Waterloo shows that sound fools your brain into thinking that you have won. Besides providing a more enjoyable experience, sound also makes players overestimate how much they’ve won. If you’re not careful, these sneaky noises may cut into your ability to manage your bankroll.  Of course, the clever slot makers exploit this fact; today’s slot games have about 400 sound effects! There’s the “ping” when you hit the spin button, the thematic background music, the build up, celebratory music; all of which add up to a stellar experience.

The software provider NetEnt employs this tactic most professionally. This company tasks an entire team with programming the music that accompanies its slot games. This music is also played dynamically according to the outcome of the game. Get a bigger win, and the sound amplifies. If you are close to a win, the music seems more anxious. You can get a glimpse of the musical magic in the video of Starburst below, which is one of NetEnt’s most popular slots.

2. Bonus rounds and mini games

The slots scene is saturated with bonus games. There are so many different iterations too – pick one out of three, go around a board, spin the jackpot wheel, match two symbols. The best games integrate these diversions very well too and write them into the storyline of the game. I love them, along with many other slot players. I would keep playing a slot game with the sole aim of triggering the mini-game. These features are designed to hold our attention and keep us playing. Here is a sampling of mFortune’s famous mini games.

However, some of these games are more fun than they are profitable. Do check the paytable before playing – some mini games pay out a paltry 1-5x multiplier. A slot designer also revealed on reddit that, in some cases, the result of the bonus game would have been decided before you made your choice. How rude! It is simply how the software provider controls the payout percentages for each slot, and consequently, their profit margins. The lesson here is to never let mini-games shift your focus from the slot itself. You will never win the jackpot or strike it big from these features.


3. Near misses

You know the frustration that comes about with near misses. You’ll score two out of three  “jackpot” symbols needed to win the prize. Annoyingly, the third symbol would land just above or below the payline. Sometimes, these near-misses happen really often. Regular humans like you and me would hit spin again. To me, near-misses indicate that a win is due soon. Of course, my logic is flawed and mobile slots are completely random.

Almost a win on a slot machine

An outcome like this is psychologically arousing – it activates the same areas of the brain related to winning. In fact, it is even more exciting than small wins, as our brain anticipates the possible jackpot win when the first two symbols fall. Researchers at The University of Exeter discovered that these events even encourage slot play. Volunteers who were exposed to a higher frequency of ‘near misses’ would continue to play their mock slot machine. In comparison, volunteers who were exposed to a random likelihood of near-misses were three times less likely to continue playing. Moral of the story: treat near-misses the same as you would treat a loss.


4. Perceived skill involved

Illusion of control in slots with "Nudge" and "Gamble" Feature

Take control of your winnings! Nudge the reels or gamble your winnings

Features such as “nudge” and “hold” buttons create the perception of skill and the illusion of control. The player thinks that they are affecting the outcome of the game. You should know better, since slots are based wholly on chance. Like mini-games, these features are designed to divert your attention. If you would actually like to control your winnings, you’d be better off playing actual skill-based games like poker  or sports-betting.

The “gamble” feature is even more dangerous – it invites the player to chance his/her winnings on a game of coin toss. Win the toss and you’ll double your winnings, pick wrongly and lose all your winnings. The odds are 50/50, so which do you choose? I always recommend taking home the cash. Of course, a game of coin toss every once in a while is supremely fun!


5. Losses disguised as wins

Slots Loss Disguised as Win

Losses disguised as wins (LDW) is even more arousing than wins!

This is the meanest trick in the book. Some slot games disguise losses as wins. Take this example: you bet on 15 paylines at 10p each, spending a total of £1.50. Two of these paylines result in a winning combination, rewarding you with £0.90. The screens flash excitedly to celebrate your win. There is celebratory music too!

If you do the maths, you have actually lost 60p! Events like this happen even more frequently that you think, especially in games that allow you to wager on multiple lines at once. You should always keep an eye on the amount you’re spending per spin, so that your bank balance doesn’t diminish faster than it should.


6. Frequent wins but small payouts

Cheese Chase Jackpot Slot – Chase Ends

Only 26p?!

Most slot games have a high win probability and very frequent payout intervals, but very low payout figures. This is because players like instant gratification. Proper big wins only occur once every 20 spins or so. Now, this aspect of the slots software is not random. Software developers actually hire specialist gaming mathematicians to design their slot games; it is perfectly legal to tweak the odds of different types of wins occurring.

Psychologist Mihaly Csikszentmihalyi calls this concept “flow”. It arises when there is a perfect balance between stress and reward. If you aren’t rewarded often, you’ll get frustrated and stop playing. But if you get too many small wins, you’ll get bored. When challenge and success is balanced, the result is emotionally intoxicating. While it seems counter-productive to spend all your time playing small-win games, you won’t blow your bank balance too quickly. You won’t win much either, but this kind of fun is well-suited towards casual players.

I hope that this article has opened your eyes to the design process of slots. At times, it may seem like players are fighting a losing battle against these conniving casino men. From another perspective, you can appreciate how complex the slots industry has become. It has moved away from being purely about money and has evolved into a kind of entertainment. Always keep an eye on your bank balance and most importantly, have fun!

About Victoria

Victoria is the team’s reviewer and critic. In her casino reviews and game reviews, you’ll find all the “specs” and exclusive playing strategies, plus screenshots and Youtube videos too! There’s no sugar-coating or boot-licking involved in her reviews; it’s all honest and (hopefully) helpful. For gamers, by gamers.

Victoria's Mobile Casino Blog Project

When Victoria started writing for Droid Slots, she had never played on a mobile slot in her life. Although it’s hard to believe given her current level of expertise, it’s been a steep learning curve for her, and the last few months have seen her wading through a whole new word of games and casinos. We hate to miss a great opportunity, as so had Victoria write about her experiences in her very own blogging section of the site. Our hope is that other players who are finding their feet can use Victoria’s discoveries as a guide to their own play. As the way she engages with casinos gets more sophisticated, so do her explanations of how to deal with the new experiences. If you’re a new player just starting out, or ever a seasoned player looking for a good read, Victoria’s blog project section is a  great place to look.

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